<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
/*********************************************************************************
 * SugarCRM Community Edition is a customer relationship management program developed by
 * SugarCRM, Inc. Copyright (C) 2004-2013 SugarCRM Inc.

 * SuiteCRM is an extension to SugarCRM Community Edition developed by Salesagility Ltd.
 * Copyright (C) 2011 - 2014 Salesagility Ltd.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License along with
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 *
 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * SugarCRM" logo and "Supercharged by SuiteCRM" logo. If the display of the logos is not
 * reasonably feasible for  technical reasons, the Appropriate Legal Notices must
 * display the words  "Powered by SugarCRM" and "Supercharged by SuiteCRM".
 ********************************************************************************/

/**
 * Localization manager
 * @api
 */
class Localization {
	var $availableCharsets = array(
		'BIG-5',        //Taiwan and Hong Kong
		/*'CP866'			  // ms-dos Cyrillic */
		/*'CP949'			  //Microsoft Korean */
		'CP1251',       //MS Cyrillic
		'CP1252',       //MS Western European & US
		'EUC-CN',       //Simplified Chinese GB2312
		'EUC-JP',       //Unix Japanese
		'EUC-KR',       //Korean
		'EUC-TW',       //Taiwanese
		'ISO-2022-JP',  //Japanese
		'ISO-2022-KR',  //Korean
		'ISO-8859-1',   //Western European and US
		'ISO-8859-2',   //Central and Eastern European
		'ISO-8859-3',   //Latin 3
		'ISO-8859-4',   //Latin 4
		'ISO-8859-5',   //Cyrillic
		'ISO-8859-6',   //Arabic
		'ISO-8859-7',   //Greek
		'ISO-8859-8',   //Hebrew
		'ISO-8859-9',   //Latin 5
		'ISO-8859-10',  //Latin 6
		'ISO-8859-13',  //Latin 7
		'ISO-8859-14',  //Latin 8
		'ISO-8859-15',  //Latin 9
		'KOI8-R',       //Cyrillic Russian
		'KOI8-U',       //Cyrillic Ukranian
		'SJIS',         //MS Japanese
		'UTF-8',        //UTF-8
		);
	var $localeNameFormat;
	var $localeNameFormatDefault;
	var $default_export_charset = 'UTF-8';
	var $default_email_charset = 'UTF-8';
	var $currencies = array(); // array loaded with current currencies
    var $invalidNameFormatUpgradeFilename = 'upgradeInvalidLocaleNameFormat.php';
    /* Charset mappings for iconv */
    var $iconvCharsetMap = array(
        'KS_C_5601-1987' => 'CP949',
        'ISO-8859-8-I' => 'ISO-8859-8'
        );

	/**
	 * sole constructor
	 */
	public function __construct() {
		global $sugar_config;
		$this->localeNameFormatDefault = empty($sugar_config['locale_name_format_default']) ? 's f l' : $sugar_config['default_name_format'];
		$this->loadCurrencies();
	}

    /**
     * @deprecated deprecated since version 7.6, PHP4 Style Constructors are deprecated and will be remove in 7.8, please update your code, use __construct instead
     */
    public function Localization(){
        $deprecatedMessage = 'PHP4 Style Constructors are deprecated and will be remove in 7.8, please update your code';
        if(isset($GLOBALS['log'])) {
            $GLOBALS['log']->deprecated($deprecatedMessage);
        }
        else {
            trigger_error($deprecatedMessage, E_USER_DEPRECATED);
        }
        self::__construct();
    }


	/**
	 * returns an array of Sugar Config defaults that are determined by locale settings
	 * @return array
	 */
	function getLocaleConfigDefaults() {
		$coreDefaults = array(
			'currency'								=> '',
			'datef'									=> 'm/d/Y',
			'timef'									=> 'H:i',
			'default_currency_significant_digits'	=> 2,
			'default_currency_symbol'				=> '$',
			'default_export_charset'				=> $this->default_export_charset,
			'default_locale_name_format'			=> 's f l',
            'name_formats'                          => array('s f l' => 's f l', 'f l' => 'f l', 's l' => 's l', 'l, s f' => 'l, s f',
                                                            'l, f' => 'l, f', 's l, f' => 's l, f', 'l s f' => 'l s f', 'l f s' => 'l f s'),
			'default_number_grouping_seperator'		=> ',',
			'default_decimal_seperator'				=> '.',
			'export_delimiter'						=> ',',
			'default_email_charset'					=> $this->default_email_charset,
		);

		return $coreDefaults;
	}

	/**
	 * abstraction of precedence
	 * @param string prefName Name of preference to retrieve based on overrides
	 * @param object user User in focus, default null (current_user)
	 * @return string pref Most significant preference
	 */
	function getPrecedentPreference($prefName, $user=null, $sugarConfigPrefName = '') {
		global $current_user;
		global $sugar_config;

		$userPref = '';
		$coreDefaults = $this->getLocaleConfigDefaults();
		$pref = isset($coreDefaults[$prefName]) ? $coreDefaults[$prefName] : ''; // defaults, even before config.php

		if($user != null) {
			$userPref = $user->getPreference($prefName);
		} elseif(!empty($current_user)) {
			$userPref = $current_user->getPreference($prefName);
		}
		// Bug 39171 - If we are asking for default_email_charset, check in emailSettings['defaultOutboundCharset'] as well
		if ( $prefName == 'default_email_charset' ) {
		    if($user != null) {
                $emailSettings = $user->getPreference('emailSettings', 'Emails');
            } elseif(!empty($current_user)) {
                $emailSettings = $current_user->getPreference('emailSettings', 'Emails');
            }
            if ( isset($emailSettings['defaultOutboundCharset']) ) {
                $userPref = $emailSettings['defaultOutboundCharset'];
            }
		}

		// set fallback defaults defined in this class
		if(isset($this->$prefName)) {
			$pref = $this->$prefName;
		}
		//rrs: 33086 - give the ability to pass in the preference name as stored in $sugar_config.
		if(!empty($sugarConfigPrefName)){
			$prefName = $sugarConfigPrefName;
		}
		// cn: 9549 empty() call on a value of 0 (0 significant digits) resulted in a false-positive.  changing to "isset()"
		$pref = (!isset($sugar_config[$prefName]) || (empty($sugar_config[$prefName]) && $sugar_config[$prefName] !== '0')) ? $pref : $sugar_config[$prefName];
		$pref = (empty($userPref) && $userPref !== '0') ? $pref : $userPref;
		return $pref;
	}

	///////////////////////////////////////////////////////////////////////////
	////	CURRENCY HANDLING
	/**
	 * wrapper for whatever currency system we implement
	 */
	function loadCurrencies() {
		// doing it dirty here
		global $db;
		global $sugar_config;

		if(empty($db)) {
			return array();
		}

        $load = sugar_cache_retrieve('currency_list');
        if ( !is_array($load) ) {
			// load default from config.php
			$this->currencies['-99'] = array(
				'name'		=> $sugar_config['default_currency_name'],
				'symbol'	=> $sugar_config['default_currency_symbol'],
				'conversion_rate' => 1
				);

            $q = "SELECT id, name, symbol, conversion_rate FROM currencies WHERE status = 'Active' and deleted = 0";
            $r = $db->query($q);

            while($a = $db->fetchByAssoc($r)) {
                $load = array();
                $load['name'] = $a['name'];
                $load['symbol'] = $a['symbol'];
                $load['conversion_rate'] = $a['conversion_rate'];

                $this->currencies[$a['id']] = $load;
            }
            sugar_cache_put('currency_list',$this->currencies);
        } else {
            $this->currencies = $load;
        }


	}

	/**
	 * getter for currencies array
	 * @return array $this->currencies returns array( id => array(name => X, etc
	 */
	function getCurrencies() {
		return $this->currencies;
	}

	/**
	 * retrieves default OOTB currencies for sugar_config and installer.
	 * @return array ret Array of default currencies keyed by ISO4217 code
	 */
	function getDefaultCurrencies() {
		$ret = array(
			'AUD' => array(	'name'		=> 'Australian Dollars',
							'iso4217'	=> 'AUD',
							'symbol'	=> '$'),
			'BRL' => array(	'name'		=> 'Brazilian Reais',
							'iso4217'	=> 'BRL',
							'symbol'	=> 'R$'),
			'GBP' => array(	'name'		=> 'British Pounds',
							'iso4217'	=> 'GBP',
							'symbol'	=> '£'),
			'CAD' => array(	'name'		=> 'Canadian Dollars',
							'iso4217'	=> 'CAD',
							'symbol'	=> '$'),
			'CNY' => array(	'name'		=> 'Chinese Yuan',
							'iso4217'	=> 'CNY',
							'symbol'	=> '￥'),
			'EUR' => array(	'name'		=> 'Euro',
							'iso4217'	=> 'EUR',
							'symbol'	=> '€'),
			'HKD' => array(	'name'		=> 'Hong Kong Dollars',
							'iso4217'	=> 'HKD',
							'symbol'	=> '$'),
			'INR' => array(	'name'		=> 'Indian Rupees',
							'iso4217'	=> 'INR',
							'symbol'	=> '₨'),
			'KRW' => array(	'name'		=> 'Korean Won',
							'iso4217'	=> 'KRW',
							'symbol'	=> '₩'),
			'YEN' => array(	'name'		=> 'Japanese Yen',
							'iso4217'	=> 'JPY',
							'symbol'	=> '¥'),
			'MXN' => array(	'name'		=> 'Mexican Pesos',
							'iso4217'	=> 'MXN',
							'symbol'	=> '$'),
			'SGD' => array(	'name'		=> 'Singaporean Dollars',
							'iso4217'	=> 'SGD',
							'symbol'	=> '$'),
			'CHF' => array(	'name'		=> 'Swiss Franc',
							'iso4217'	=> 'CHF',
							'symbol'	=> 'SFr.'),
			'THB' => array(	'name'		=> 'Thai Baht',
							'iso4217'	=> 'THB',
							'symbol'	=> '฿'),
			'USD' => array(	'name'		=> 'US Dollars',
							'iso4217'	=> 'USD',
							'symbol'	=> '$'),
		);

		return $ret;
	}
	////	END CURRENCY HANDLING
	///////////////////////////////////////////////////////////////////////////


	///////////////////////////////////////////////////////////////////////////
	////	CHARSET TRANSLATION
	/**
	 * returns a mod|app_strings array in the target charset
	 * @param array strings $mod_string, et.al.
	 * @param string charset Target charset
	 * @return array Translated string pack
	 */
	function translateStringPack($strings, $charset) {
		// handle recursive
		foreach($strings as $k => $v) {
			if(is_array($v)) {
				$strings[$k] = $this->translateStringPack($v, $charset);
			} else {
				$strings[$k] = $this->translateCharset($v, 'UTF-8', $charset);
			}
		}
		ksort($strings);
		return $strings;
	}

	/**
	 * translates the passed variable for email sending (export)
	 * @param	mixed the var (array or string) to translate
	 * @return	mixed the translated variable
	 */
	function translateForEmail($var) {
		if(is_array($var)) {
			foreach($var as $k => $v) {
				$var[$k] = $this->translateForEmail($v);
			}
			return $var;
		} elseif(!empty($var)) {
			return $this->translateCharset($var, 'UTF-8', $this->getOutboundEmailCharset());
		}
	}

	/**
	 * prepares a bean for export by translating any text fields into the export
	 * character set
	 * @param bean object A SugarBean
	 * @return bean object The bean with translated strings
	 */
    function prepBeanForExport($bean)
    {
        foreach($bean->field_defs as $k => $field)
        {
            if (is_string($bean->$k))
            {
			   // $bean->$k = $this->translateCharset($bean->$k, 'UTF-8', $this->getExportCharset());
            }
            else
            {
                $bean->$k = '';
            }
        }

        return $bean;
    }

	/**
	 * translates a character set from one encoding to another encoding
	 * @param string string the string to be translated
	 * @param string fromCharset the charset the string is currently in
	 * @param string toCharset the charset to translate into (defaults to UTF-8)
	 * @param bool   forceIconv force using the iconv library instead of mb_string
	 * @return string the translated string
	 */
    function translateCharset($string, $fromCharset, $toCharset='UTF-8', $forceIconv = false)
    {
        $GLOBALS['log']->debug("Localization: translating [{$string}] from {$fromCharset} into {$toCharset}");

        // Bug #35413 Function has to use iconv if $fromCharset is not in mb_list_encodings
        $isMb = function_exists('mb_convert_encoding') && !$forceIconv;
        $isIconv = function_exists('iconv');
        if ($isMb == true)
        {
            $fromCharset = strtoupper($fromCharset);
            $listEncodings = mb_list_encodings();
            $isFound = false;
            foreach ($listEncodings as $encoding)
            {
                if (strtoupper($encoding) == $fromCharset)
                {
                    $isFound = true;
                    break;
                }
            }
            $isMb = $isFound;
        }

        if($isMb)
        {
            return mb_convert_encoding($string, $toCharset, $fromCharset);
        }
        elseif($isIconv)
        {
            $newFromCharset = $fromCharset;
            if (isset($this->iconvCharsetMap[$fromCharset])) {
                $newFromCharset = $this->iconvCharsetMap[$fromCharset];
                $GLOBALS['log']->debug("Localization: iconv using charset {$newFromCharset} instead of {$fromCharset}");
            }
            $newToCharset = $toCharset;
            if (isset($this->iconvCharsetMap[$toCharset])) {
                $newToCharset = $this->iconvCharsetMap[$toCharset];
                $GLOBALS['log']->debug("Localization: iconv using charset {$newToCharset} instead of {$toCharset}");
            }
            return iconv($newFromCharset, $newToCharset, $string);
        }
        else
        {
            return $string;
        } // end else clause
    }

	/**
	 * translates a character set from one to another, and the into MIME-header friendly format
	 */
	function translateCharsetMIME($string, $fromCharset, $toCharset='UTF-8', $encoding="Q") {
		$previousEncoding = mb_internal_encoding();
		mb_internal_encoding($fromCharset);
		$result = mb_encode_mimeheader($string, $toCharset, $encoding);
		mb_internal_encoding($previousEncoding);
		return $result;
	}

	function normalizeCharset($charset) {
		$charset = strtolower(preg_replace("/[\-\_]*/", "", $charset));
		return $charset;
	}

	/**
	 * returns an array of charsets with keys for available translations; appropriate for get_select_options_with_id()
	 */
	function getCharsetSelect() {
    //jc:12293 - the "labels" or "human-readable" representations of the various charsets
    //should be translatable
    $translated = array();
    foreach($this->availableCharsets as $key)
    {
     	 //$translated[$key] = translate($value);
         $translated[$key] = translate($key);
    }

		return $translated;
    //end:12293
	}

	/**
	 * returns the charset preferred in descending order: User, Sugar Config, DEFAULT
	 * @param string charset to override ALL, pass a valid charset here
	 * @return string charset the chosen character set
	 */
	function getExportCharset($charset='', $user=null) {
		$charset = $this->getPrecedentPreference('default_export_charset', $user);
		return $charset;
	}

	/**
	 * returns the charset preferred in descending order: User, Sugar Config, DEFAULT
	 * @return string charset the chosen character set
	 */
	function getOutboundEmailCharset($user=null) {
		$charset = $this->getPrecedentPreference('default_email_charset', $user);
		return $charset;
	}
	////	END CHARSET TRANSLATION
	///////////////////////////////////////////////////////////////////////////

	///////////////////////////////////////////////////////////////////////////
	////	NUMBER DISPLAY FORMATTING CODE
	function getDecimalSeparator($user=null) {
        // Bug50887 this is purposefully misspelled as ..._seperator to match the way it's defined throughout the app.
		$dec = $this->getPrecedentPreference('default_decimal_seperator', $user);
		return $dec;
	}

	function getNumberGroupingSeparator($user=null) {
		$sep = $this->getPrecedentPreference('default_number_grouping_seperator', $user);
		return $sep;
	}

	function getPrecision($user=null) {
		$precision = $this->getPrecedentPreference('default_currency_significant_digits', $user);
		return $precision;
	}

	function getCurrencySymbol($user=null) {
		$dec = $this->getPrecedentPreference('default_currency_symbol', $user);
		return $dec;
	}

	/**
	 * returns a number formatted by user preference or system default
	 * @param string number Number to be formatted and returned
	 * @param string currencySymbol Currency symbol if override is necessary
	 * @param bool is_currency Flag to also return the currency symbol
	 * @return string Formatted number
	 */
	function getLocaleFormattedNumber($number, $currencySymbol='', $is_currency=true, $user=null) {
		$fnum			= $number;
		$majorDigits	= '';
		$minorDigits	= '';
		$dec			= $this->getDecimalSeparator($user);
		$thou			= $this->getNumberGroupingSeparator($user);
		$precision		= $this->getPrecision($user);
		$symbol			= empty($currencySymbol) ? $this->getCurrencySymbol($user) : $currencySymbol;

		$exNum = explode($dec, $number);
		// handle grouping
		if(is_array($exNum) && count($exNum) > 0) {
			if(strlen($exNum[0]) > 3) {
				$offset = strlen($exNum[0]) % 3;
				if($offset > 0) {
					for($i=0; $i<$offset; $i++) {
						$majorDigits .= $exNum[0]{$i};
					}
				}

				$tic = 0;
				for($i=$offset; $i<strlen($exNum[0]); $i++) {
					if($tic % 3 == 0 && $i != 0) {
						$majorDigits .= $thou; // add separator
					}

					$majorDigits .= $exNum[0]{$i};
					$tic++;
				}
			} else {
				$majorDigits = $exNum[0]; // no formatting needed
			}
			$fnum = $majorDigits;
		}

		// handle decimals
		if($precision > 0) { // we toss the minor digits otherwise
			if(is_array($exNum) && isset($exNum[1])) {

			}
		}


		if($is_currency) {
			$fnum = $symbol.$fnum;
		}
		return $fnum;
	}

	/**
	 * returns Javascript to format numbers and currency for ***DISPLAY***
	 */
	function getNumberJs() {
		$out = <<<eoq

			var exampleDigits = '123456789.000000';

			// round parameter can be negative for decimal, precision has to be postive
			function formatNumber(n, sep, dec, precision) {
				var majorDigits;
				var minorDigits;
				var formattedMajor = '';
				var formattedMinor = '';

				var nArray = n.split('.');
				majorDigits = nArray[0];
				if(nArray.length < 2) {
					minorDigits = 0;
				} else {
					minorDigits = nArray[1];
				}

				// handle grouping
				if(sep.length > 0) {
					var strlength = majorDigits.length;

					if(strlength > 3) {
						var offset = strlength % 3; // find how many to lead off by

						for(j=0; j<offset; j++) {
							formattedMajor += majorDigits[j];
						}

						tic=0;
						for(i=offset; i<strlength; i++) {
							if(tic % 3 == 0 && i != 0)
								formattedMajor += sep;

							formattedMajor += majorDigits.substr(i,1);
							tic++;
						}
					}
				} else {
					formattedMajor = majorDigits; // no grouping marker
				}

				// handle decimal precision
				if(precision > 0) {
					for(i=0; i<precision; i++) {
						if(minorDigits[i] != undefined)
							formattedMinor += minorDigits[i];
						else
							formattedMinor += '0';
					}
				} else {
					// we're just returning the major digits, no decimal marker
					dec = ''; // just in case
				}

				return formattedMajor + dec + formattedMinor;
			}

			function setSigDigits() {
				var sym = document.getElementById('symbol').value;
				var thou = document.getElementById('default_number_grouping_seperator').value;
				var dec = document.getElementById('default_decimal_seperator').value;
				var precision = document.getElementById('sigDigits').value;
				//umber(n, num_grp_sep, dec_sep, round, precision)
				var newNumber = sym + formatNumber(exampleDigits, thou, dec, precision, precision);
				document.getElementById('sigDigitsExample').value = newNumber;
			}
eoq;
		return $out;
	}

	////	END NUMBER DISPLAY FORMATTING CODE
	///////////////////////////////////////////////////////////////////////////

	///////////////////////////////////////////////////////////////////////////
	////	NAME DISPLAY FORMATTING CODE
	/**
	 * get's the Name format macro string, preferring $current_user
	 * @return string format Name Format macro for locale
	 */
	function getLocaleFormatMacro($user=null) {
		$returnFormat = $this->getPrecedentPreference('default_locale_name_format', $user);
		return $returnFormat;
	}

	/**
	 * returns formatted name according to $current_user's locale settings
	 *
	 * @param string firstName
	 * @param string lastName
	 * @param string salutation
	 * @param string title
	 * @param string format If a particular format is desired, then pass this optional parameter as a simple string.
	 * sfl is "Salutation FirstName LastName", "l, f s" is "LastName[comma][space]FirstName[space]Salutation"
	 * @param object user object
	 * @param bool returnEmptyStringIfEmpty true if we should return back an empty string rather than a single space
	 * when the formatted name would be blank
	 * @return string formattedName
	 */
	function getLocaleFormattedName($firstName, $lastName, $salutationKey='', $title='', $format="", $user=null, $returnEmptyStringIfEmpty = false) {
		global $current_user;
		global $app_list_strings;

		if ( $user == null ) {
		    $user = $current_user;
		}

		$salutation = $salutationKey;
		if(!empty($salutationKey) && !empty($app_list_strings['salutation_dom'][$salutationKey])) {
			$salutation = (!empty($app_list_strings['salutation_dom'][$salutationKey]) ? $app_list_strings['salutation_dom'][$salutationKey] : $salutationKey);
		}

        //check to see if passed in variables are set, if so, then populate array with value,
        //if not, then populate array with blank ''
		$names = array();
		$names['f'] = (empty($firstName)	&& $firstName	!= 0) ? '' : $firstName;
		$names['l'] = (empty($lastName)	&& $lastName	!= 0) ? '' : $lastName;
		$names['s'] = (empty($salutation)	&& $salutation	!= 0) ? '' : $salutation;
		$names['t'] = (empty($title)		&& $title		!= 0) ? '' : $title;

		//Bug: 39936 - if all of the inputs are empty, then don't try to format the name.
		$allEmpty = true;
		foreach($names as $key => $val){
			if(!empty($val)){
				$allEmpty = false;
				break;
			}
		}
		if($allEmpty){
			return $returnEmptyStringIfEmpty ? '' : ' ';
		}
		//end Bug: 39936

		if(empty($format)) {
			$this->localeNameFormat = $this->getLocaleFormatMacro($user);
		} else {
			$this->localeNameFormat = $format;
		}

		// parse localeNameFormat
		$formattedName = '';
		for($i=0; $i<strlen($this->localeNameFormat); $i++) {
			$formattedName .= array_key_exists($this->localeNameFormat{$i}, $names) ? $names[$this->localeNameFormat{$i}] : $this->localeNameFormat{$i};
		}

		$formattedName = trim($formattedName);
        if (strlen($formattedName)==0) {
            return $returnEmptyStringIfEmpty ? '' : ' ';
        }

		if(strpos($formattedName,',',strlen($formattedName)-1)) { // remove trailing commas
			$formattedName = substr($formattedName, 0, strlen($formattedName)-1);
		}
		return trim($formattedName);
	}

	/**
	 * outputs some simple Javascript to show a preview of Name format in "My Account" and "Admin->Localization"
	 * @param string first First Name, use app_strings default if not specified
	 * @param string last Last Name, use app_strings default if not specified
	 * @param string salutation Saluation, use app_strings default if not specified
	 * @return string some Javascript
	 */
	function getNameJs($first='', $last='', $salutation='', $title='') {
		global $app_strings;

		$salutation	= !empty($salutation) ? $salutation : $app_strings['LBL_LOCALE_NAME_EXAMPLE_SALUTATION'];
		$first		= !empty($first) ? $first : $app_strings['LBL_LOCALE_NAME_EXAMPLE_FIRST'];
		$last		= !empty($last) ? $last : $app_strings['LBL_LOCALE_NAME_EXAMPLE_LAST'];
		$title		= !empty($title) ? $title : $app_strings['LBL_LOCALE_NAME_EXAMPLE_TITLE'];

		$ret = "
		function setPreview() {
			format = document.getElementById('default_locale_name_format').value;
			field = document.getElementById('nameTarget');

			stuff = new Object();

			stuff['s'] = '{$salutation}';
			stuff['f'] = '{$first}';
			stuff['l'] = '{$last}';
			stuff['t'] = '{$title}';

			var name = '';
			for(i=0; i<format.length; i++) {
                if(stuff[format.substr(i,1)] != undefined) {
                    name += stuff[format.substr(i,1)];
				} else {
                    name += format.substr(i,1);
		}
			}

			//alert(name);
			field.value = name;
		}

        ";

		return $ret;
	}

    /**
     * Checks to see that the characters in $name_format are allowed:  s, f, l, space/tab or punctuation
     * @param $name_format
     * @return bool
     */
    public function isAllowedNameFormat($name_format) {
        // will result in a match as soon as a disallowed char is hit in $name_format
        $match = preg_match('/[^sfl[:punct:][:^alnum:]\s]/', $name_format);
        if ($match !== false && $match === 0) {
            return true;
        }
        return false;
    }

    /**
     * Checks to see if there was an invalid Name Format encountered during the upgrade
     * @return bool true if there was an invalid name, false if all went well.
     */
    public function invalidLocaleNameFormatUpgrade() {
        return file_exists($this->invalidNameFormatUpgradeFilename);
    }

    /**
     * Creates the file that is created when there is an invalid name format during an upgrade
     */
    public function createInvalidLocaleNameFormatUpgradeNotice() {
        $fh = fopen($this->invalidNameFormatUpgradeFilename,'w');
        fclose($fh);
    }

    /**
     * Removes the file that is created when there is an invalid name format during an upgrade
     */
    public function removeInvalidLocaleNameFormatUpgradeNotice() {
        if ($this->invalidLocaleNameFormatUpgrade()) {
            unlink($this->invalidNameFormatUpgradeFilename);
        }
    }


    /**
     * Creates dropdown items that have localized example names while filtering out invalid formats
     *
     * @param array un-prettied dropdown list
     * @return array array of dropdown options
     */
    public function getUsableLocaleNameOptions($options) {
        global $app_strings;

        $examples = array('s' => $app_strings['LBL_LOCALE_NAME_EXAMPLE_SALUTATION'],
                        'f' => $app_strings['LBL_LOCALE_NAME_EXAMPLE_FIRST'],
                        'l' => $app_strings['LBL_LOCALE_NAME_EXAMPLE_LAST']);
        $newOpts = array();
        foreach ($options as $key => $val) {
            if ($this->isAllowedNameFormat($key) && $this->isAllowedNameFormat($val)) {
                $newVal = '';
                $pieces = str_split($val);
                foreach ($pieces as $piece) {
                    if (isset($examples[$piece])) {
                        $newVal .= $examples[$piece];
                    } else {
                        $newVal .= $piece;
                    }
                }
                $newOpts[$key] = $newVal;
            }
        }
        return $newOpts;
    }
	////	END NAME DISPLAY FORMATTING CODE
	///////////////////////////////////////////////////////////////////////////

    /**
     * Attempts to detect the charset used in the string
     *
     * @param  $str string
     * @param $strict bool default false (use strict encoding?)
     * @return string
     */
    public function detectCharset($str, $strict=false)
    {
        if ( function_exists('mb_convert_encoding') )
            return mb_detect_encoding($str,'ASCII,JIS,UTF-8,EUC-JP,SJIS,ISO-8859-1',$strict);

        return false;
    }
} // end class def

?>
